论文

空间大型桁架天线姿态与振动一体化控制

  • 侯新宇 ,
  • 张帆 ,
  • 黄攀峰 ,
  • 马小飞 ,
  • 朱佳龙 ,
  • 李洋
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  • 1.西北工业大学 航天学院,西安  710072
    2.中国空间技术研究院 西安分院,西安  710100
    3.哈尔滨工业大学 机电工程学院,哈尔滨  150001
.E-mail: fzhang@nwpu.edu.cn

收稿日期: 2022-05-11

  修回日期: 2022-06-01

  录用日期: 2022-06-16

  网络出版日期: 2022-06-24

基金资助

国家自然科学基金(62173275)

Integrated attitude and vibration control of space large antenna with truss

  • Xinyu HOU ,
  • Fan ZHANG ,
  • Panfeng HUANG ,
  • Xiaofei MA ,
  • Jialong ZHU ,
  • Yang LI
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  • 1.College of Astronautics,Northwestern Polytechnical University,Xi’an  710072,China
    2.China Academy of Space Technology (Xi’an),Xi’an  710100,China
    3.College of Mechatronics Engineering,Harbin Institute of Technology,Harbin  150001,China
E-mail: fzhang@nwpu.edu.cn

Received date: 2022-05-11

  Revised date: 2022-06-01

  Accepted date: 2022-06-16

  Online published: 2022-06-24

Supported by

National Natural Science Foundation of China(62173275)

摘要

随着空间任务需求的增长,大型桁架结构在空间应用中更加广泛,使系统刚柔耦合特性不断增强,在轨运行时容易产生振动,从而影响系统的姿态稳定。为了实现空间大型桁架天线系统姿态与振动的一体化控制,基于拉格朗日原理完善了系统动力学模型,从根本上阐述了挠性结构振动与系统姿态角的耦合关系,提出了一种固定时间全局滑模控制器以实现一体化控制目标。仿真结果表明,所提控制算法能够在短时间内抑制挠性结构的振动响应幅值,同时可保证系统姿态的稳定。该算法具有良好的鲁棒性和固定时间收敛特性。

本文引用格式

侯新宇 , 张帆 , 黄攀峰 , 马小飞 , 朱佳龙 , 李洋 . 空间大型桁架天线姿态与振动一体化控制[J]. 航空学报, 2023 , 44(S1) : 727552 -727552 . DOI: 10.7527/S1000-6893.2022.27552

Abstract

Large truss structures are widely used in space applications with the growth demand of space missions, which makes the rigid-flexible coupling characteristics of the system increasingly enhanced. Therefore, the flexible vibration coupled with attitude is easy to occur in orbit. To realize the integrated control of the attitude and vibration of space large antenna with truss, the dynamics model is improved based on the Lagrange principle. In the equation, the coupling relationship between vibration of flexible structure and system attitude is discussed fundamentally. Then, a fixed-time global sliding mode controller is proposed to achieve the goal of the integrated control. The simulation results show that the proposed control algorithm can not only suppress the vibration response amplitude of the flexible structure in a short time, but also ensure the stability of the system attitude. The algorithm has good robustness and fixed time convergence characteristics.

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